Introduction to Friction Welded Drill Pipes:Friction welding of drill pipes is the most core and advanced process in modern drill pipemanufacturing. It refers to connecting the drill pipe body and drill pipe tool joint into a single unit using friction welding, a solid-state welding technology.Comparison with Traditional Methods: Previously, threaded connections or flash butt welding were used, but these methods have shortcomings in strength, reliability, and production effic...